Longfellow Community, MN planting zone & frost dates

Longfellow Community is in USDA hardiness zone 5a. The last spring frost usually comes around April 23 and the first fall frost around October 16, for a growing season of about 175 days.

USDA hardiness zone5aavg. extreme winter low -20°F to -15°F
Average last spring frostApril 2390% chance of no frost after May 7
Average first fall frostOctober 1610% chance of frost by October 2
Growing season175 daysfrost-free days in an average year

Planting calendar for Longfellow Community

Dates are counted from the average last spring frost (April 23) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

CropWhen
TomatoesStart seeds indoors: Feb 26 – Mar 12
Transplant outdoors: Apr 30 – May 7
PeppersStart seeds indoors: Feb 12 – Feb 26
Transplant outdoors: May 7 – May 14
EggplantStart seeds indoors: Feb 12 – Feb 26
Transplant outdoors: May 7 – May 14
BroccoliStart seeds indoors: Feb 12 – Feb 26
Transplant outdoors: Mar 26 – Apr 9
CabbageStart seeds indoors: Feb 12 – Feb 26
Transplant outdoors: Mar 26 – Apr 9
Onions (sets)Plant outdoors: Mar 26 – Apr 9
PeasSow outdoors: Mar 12 – Mar 26
SpinachSow outdoors: Mar 12 – Mar 26
LettuceSow outdoors: Mar 26 – Apr 9
CarrotsSow outdoors: Mar 26 – Apr 9
PotatoesPlant outdoors: Mar 26 – Apr 9
BeansSow outdoors: Apr 30 – May 7
Sweet cornSow outdoors: Apr 30 – May 7
CucumbersSow outdoors: Apr 30 – May 7
Squash & zucchiniSow outdoors: Apr 30 – May 7
BasilStart seeds indoors: Mar 12 – Mar 26
Transplant outdoors: Apr 30 – May 7

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 21 (8 weeks before the average first fall frost on Oct 16).

Useful for zone 5a gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterApr 10Apr 23May 7
First 32°F frost in fall is beforeOct 30Oct 16Oct 2

How to read it: in spring there is a 10% chance of a frost after May 7, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 2. A hard freeze (28°F) usually ends around April 14.

Nearby cities

All cities in Minnesota → · Other zone 5a cities →

Questions

What growing zone is Longfellow Community, MN?

Longfellow Community is in USDA Plant Hardiness Zone 5a (average extreme winter low -20°F to -15°F), according to the USDA 2023 map.

When is the last frost in Longfellow Community?

The average last spring frost (32°F) in Longfellow Community is April 23. There is still a 10% chance of frost until May 7.

When can I plant tomatoes in Longfellow Community?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 30 – May 7. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Lower St Anthony Falls, MN (USC00214884), 4.3 km (2.7 mi) from the city center, elevation 230 m, based on 25 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.